13606780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 31481856

約数和(自身を除く): 17875076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 487, 508, 635, 974, 1270, 1397, 1948, 2435, 2540, 2794, 4870, 5357, 5588, 6985, 9740, 10714, 13970, 21428, 26785, 27940, 53570, 61849, 107140, 123698, 247396, 309245, 618490, 680339, 1236980, 1360678, 2721356, 3401695, 6803390, 13606780]

約数ペア:

[(1, 13606780), (2, 6803390), (4, 3401695), (5, 2721356), (10, 1360678), (11, 1236980), (20, 680339), (22, 618490), (44, 309245), (55, 247396), (110, 123698), (127, 107140), (220, 61849), (254, 53570), (487, 27940), (508, 26785), (635, 21428), (974, 13970), (1270, 10714), (1397, 9740), (1948, 6985), (2435, 5588), (2540, 5357), (2794, 4870)]